18881604

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2417}}^1$

素因数の和:2465

約数の個数: 72

約数和(自身を含む): 56329728

約数和(自身を除く): 37448124

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 62, 63, 84, 93, 124, 126, 186, 217, 252, 279, 372, 434, 558, 651, 868, 1116, 1302, 1953, 2417, 2604, 3906, 4834, 7251, 7812, 9668, 14502, 16919, 21753, 29004, 33838, 43506, 50757, 67676, 74927, 87012, 101514, 149854, 152271, 203028, 224781, 299708, 304542, 449562, 524489, 609084, 674343, 899124, 1048978, 1348686, 1573467, 2097956, 2697372, 3146934, 4720401, 6293868, 9440802, 18881604]

約数ペア:

[(1, 18881604), (2, 9440802), (3, 6293868), (4, 4720401), (6, 3146934), (7, 2697372), (9, 2097956), (12, 1573467), (14, 1348686), (18, 1048978), (21, 899124), (28, 674343), (31, 609084), (36, 524489), (42, 449562), (62, 304542), (63, 299708), (84, 224781), (93, 203028), (124, 152271), (126, 149854), (186, 101514), (217, 87012), (252, 74927), (279, 67676), (372, 50757), (434, 43506), (558, 33838), (651, 29004), (868, 21753), (1116, 16919), (1302, 14502), (1953, 9668), (2417, 7812), (2604, 7251), (3906, 4834)]